Canister vacuum cleaner



FIG. 1 is a top perspective view of the canister vacuum cleaner showing my new design;

FIG. 2 is a side elevation view thereof; and,

FIG. 3 is a front elevation view thereof.

The details shown in broken lines in FIGS. 2 and 3 are for illustrative purposes only and form no part of the claimed design.

The rear portion of the article not shown in the drawings or described in the specification forms no part of the claimed design. 

The ornamental design for a canister vacuum cleaner, as shown and described. 